Drilldown: Patents
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Patents > Applicant firm:
None
& Applicant type :
AGENT or
INDIV or
LTA
& Filing date:
1880 - 1889
& Grant date:
1884
& Granted :
No or
Yes
& National tech categories:
DE 77
& IPCs:
IPC B64C23/00
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Showing below up to 1 result in range #1 to #1.